Nothing is commonly called the King's valley. Now "Kings' valley" could well be a public-relation formula intended to give some fillip to the Loire valley, in which you can find a number of castles (Blois, Chambord, Chenonceaux, ...) built by French Kings and royals. These castles were built during the Renaissance period in the Loire river valley and some tributaries (the Cher notably).
It is called the Valley of the Kings
the valley of the kings, pharoahs were buried in tombs there
There are over 25 pharaohs in the Valley of the Kings.
How did they make they Valley of the Kings
Six
Valley of the Dead, also known as the Valley of the Kings is located in Thebes. (Now called Luxor.)
The Valley of the Kings.
In the Nile valley in Egypt, named because the Pharaohs were buried there in monuments called Pyramids.
In the Valley of the Kings has 224 pages.
Valley of the Kings - EP - was created in 1997.
Egypt
Valley Of The Kings